J Edgar Hoover rose to become the legendary director of the US Federal Bureau of Investigation

Mike Walker’s four part drama series reflects his life and career.

It’s 1919. Young Hoover gains a reputation as an anti-Communist zealot and gets the chance to prove it.

It’s 1933. With President Franklin D Roosevelt’s backing, Hoover’s FBI targets major criminals and their gangs across America.

It’s 1961. Hoover has a new boss in the form of Attorney General, Robert F Kennedy.

It’s 1972. Hoover is dead.